Title:
BAB TYPE BLOCK COPOLYMER AND PREPARATION METHOD THEREFOR, BINDER, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/066211
Kind Code:
A1
Abstract:
Provided in the present application are a BAB-type block copolymer and a preparation method therefor, a binder, a positive electrode sheet, a secondary battery and an electric device. The A-block contains a structural unit derived from a monomer as shown in formula I, and the B-block contains a structural unit derived from a monomer as shown in formula II; alternatively, the A-block contains a structural unit derived from a monomer shown in formula II, and the B-block contains a structural unit derived from a monomer shown in formula I, where R1, R2 and R3 are each independently selected from one or more of hydrogen, fluorine and a trifluoromethyl, and R4, R5, R6, R7 and R8 are each independently selected from hydrogen and a substituted or unsubstituted C1-3 alkyl.
Inventors:
ZENG ZIPENG (CN)
SUN CHENGDONG (CN)
LI CHENG (CN)
LIU HUIHUI (CN)
SUN CHENGDONG (CN)
LI CHENG (CN)
LIU HUIHUI (CN)
Application Number:
PCT/CN2023/080637
Publication Date:
April 04, 2024
Filing Date:
March 09, 2023
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
C08G81/02; H01M4/62; H01M10/0525; H01M10/054
Foreign References:
| CN115286802A | 2022-11-04 | |||
| JP2009256455A | 2009-11-05 | |||
| CN110156999A | 2019-08-23 | |||
| US20150057419A1 | 2015-02-26 | |||
| CN112029057A | 2020-12-04 |
Attorney, Agent or Firm:
BEIJING HAN KUN LAW OFFICES (CN)
Download PDF: